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• Summary
• Exercises
• An RPC client
• An RPC server
• Remote procedure call (RPC)
• A concurrent TCP server

• Summary 更新時(shí)間：2021-07-02 18:08:46
• Exercises
• An RPC client
• An RPC server
• Remote procedure call (RPC)
• A concurrent TCP server
• Developing a simple UDP client
• Developing a simple UDP server
• Using alternative functions for the TCP client
• Using other functions for the TCP server
• Developing a simple TCP client
• Developing a simple TCP server
• Getting NS records for a domain
• Using a host name as input
• Using an IP address as input
• Performing DNS lookups
• A Unix socket client
• A Unix socket server
• Unix sockets revisited
• The net Go standard package
• About the netcat utility
• About Wireshark and tshark
• About UDP and IP
• The TCP handshake!
• About TCP
• About TCP/IP
• About network programming
• Network Programming
• Summary
• Exercises
• A handy command-line utility
• Creating an application that displays MySQL data
• Creating a Go application that displays MongoDB data
• Using the MongoDB Go driver
• Basic MongoDB administration
• Using MongoDB
• Using Marshal() and Unmarshal()
• Parsing JSON data
• Saving JSON data
• About JSON
• The html/template package
• Using http.ServeMux
• The http.ServeMux type
• A small web server
• Developing better web clients
• Setting a timeout
• Fetching a single URL
• Developing web clients
• About the net/http Go package
• What is a web application?
• Writing Web Applications in Go
• Summary
• Exercises
• About GOMAXPROCS
• Detecting race conditions
• More benchmarking
• Using shared memory
• Using a buffered channel
• The dWC.go utility revisited
• Using sync.RWMutex
• Using sync.Mutex
• Shared memory
• Nil channels
• Channels of channels
• An alternative way to implement timeouts
• About timeouts
• Buffered channels
• Signal channels
• The select keyword
• The sync Go package
• The Go scheduler
• Goroutines - Advanced Features
• Summary
• Exercises
• Doing some benchmarking
• Calculating totals
• A better version of wc.go
• Pipelines
• Explaining h1s.go
• Reading from a channel
• Writing to a channel
• About channels
• Creating a dynamic number of goroutines
• Waiting for goroutines to finish their jobs
• Creating multiple goroutines
• A simple example
• The sync Go packages
• Concurrency and parallelism
• About goroutines
• Goroutines - Basic Features
• Summary
• Exercises
• Yet another minor Go update
• Programming a Unix shell in Go
• RPC in Go
• Unix sockets in Go
• The plotIP.go utility revisited
• Implementing cat(1) in Go
• Sending data to standard output
• Reading from standard input
• Unix pipes in Go
• Plotting data
• Improving file copying
• Rotating log files revisited!
• Catching every signal that can be handled
• Handling three different signals!
• A simple signal handler in Go
• The kill(1) command
• Unix signals in Go
• About Unix signals
• Process management
• About Unix processes and signals
• Processes and Signals
• Summary
• Exercises
• Another Go update
• Creating good random passwords
• Rotating log files
• Reformatting the times in a log file
• Playing with dates and times
• Date and time operations
• Finding files based on their permissions
• Finding files that belong or do not belong to a given user
• Finding all the groups a user belongs to
• Finding the user ID of a user
• Searching files revisited
• Renaming multiple files using regular expressions
• An advanced example of pattern matching
• A simple pattern matching example
• More pattern matching examples
• Finding other kinds of information about files
• Changing file permissions
• File permissions revisited
• Processing log files
• The syslog Go package
• Logging levels
• Logging facilities
• About logging
• About log files
• Altering existing data
• Putting data at the end of a file
• Logging in Go
• Which files are considered system files?
• Working with System Files
• Summary
• Exercises
• A simplified Go version of the dd utility
• File locking in Go
• Reading and writing data records
• Sparse files in Go
• Interprocess communication
• Doing some file editing!
• Reading a text file character by character
• Comparing the performance of wc.go and wc(1)
• The wc.go code!
• Counting words
• Developing wc(1) in Go
• Benchmarking file copying operations
• An even better file copy program
• Reading a file all at once!
• Using io.Copy
• Copying text files
• There is more than one way to copy a file!
• Copying files in Go
• Finding out the third column of a line
• About io.Writer and io.Reader
• Writing to files using fmt.Fprintf()
• File I/O operations
• The bufio package
• The io package
• Useful I/O packages in Go
• About binary files
• Byte slices
• About file input and output
• File Input and Output
• Summary
• Exercises
• Creating a copy of a directory structure
• Using regular expressions
• Excluding a file extension from the find output
• Excluding filenames from the find output
• Adding some command-line options
• The first version of find(1)
• Visiting directories only!
• Traversing a directory tree
• Developing find(1) in Go
• Renaming and moving files
• Deleting a file
• Dealing with files in Go
• Printing the permission bits of a file or directory
• Developing the which(1) utility in Go
• Implementing the pwd(1) command
• About symbolic links
• Dealing with directories
• The flag package
• Command-line arguments revisited!
• Useful Go packages
• Files and Directories
• Summary
• Exercises
• Go gets updated frequently!
• Your environment
• Garbage collection
• The go clean command
• Using external Go packages
• Using your own Go packages
• The init() function
• Private variables and functions
• Creating your own packages
• Using standard Go packages
• About Go packages
• Developing a hash table in Go
• Trees in Go
• Linked lists in Go
• The sort.Slice() function
• Sorting algorithms
• The Big O notation
• About algorithms
• Go Packages Algorithms and Data Structures
• Summary
• Exercises
• Avoiding common Go mistakes
• Unreachable code
• Disabling System Integrity Protection on macOS
• The DTrace utility
• Using the strace(1) command-line utility
• Analysing software
• Comparing Go to other programming languages
• Unsafe code
• Calling C code from Go
• Reflection
• Find and replace
• Finding the number of occurrences
• Creating summaries
• Printing all the values from a given column of a line
• Pattern matching and regular expressions
• The addCLA.go program revisited
• About error logging
• Functions can return error variables
• Error handling in Go
• Advanced Go Features
• Summary
• Exercises
• Creating random numbers
• Interfaces
• Structures
• Converting an array into a map
• Maps
• Slices
• Arrays
• Go data structures
• Using pointer variables in functions
• The defer keyword
• Illustrating Go functions
• Anonymous functions
• Naming the return values of a Go function
• Go functions
• Printing output
• Getting user input
• User input and output
• Finding the sum of the command-line arguments
• Using command-line arguments
• Go environment variables
• Checking the size of the executable file
• Compiling Go code
• Writing Programs in Go
• Summary
• Exercises
• The various states of a Unix process
• Advantages and disadvantages of Go
• Two useful Go tools
• Getting ready for Go
• About Go
• Learning systems programming
• What is systems programming?
• The structure of the book
• Getting Started with Go and Unix Systems Programming
• Questions
• Piracy
• Errata
• Downloading the color images of this book
• Downloading the example code
• Customer support
• Reader feedback
• Conventions
• Who this book is for
• What you need for this book
• What this book covers
• Preface
• Customer Feedback
• Why subscribe?
• www.PacktPub.com
• About the Reviewer
• About the Author
• Credits
• Go Systems Programming
• Copyright
• Title Page
• cover

• cover
• Title Page
• Copyright
• Go Systems Programming
• Credits
• About the Author
• About the Reviewer
• www.PacktPub.com
• Why subscribe?
• Customer Feedback
• Preface
• What this book covers
• What you need for this book
• Who this book is for
• Conventions
• Reader feedback
• Customer support
• Downloading the example code
• Downloading the color images of this book
• Errata
• Piracy
• Questions
• Getting Started with Go and Unix Systems Programming
• The structure of the book
• What is systems programming?
• Learning systems programming
• About Go
• Getting ready for Go
• Two useful Go tools
• Advantages and disadvantages of Go
• The various states of a Unix process
• Exercises
• Summary
• Writing Programs in Go
• Compiling Go code
• Checking the size of the executable file
• Go environment variables
• Using command-line arguments
• Finding the sum of the command-line arguments
• User input and output
• Getting user input
• Printing output
• Go functions
• Naming the return values of a Go function
• Anonymous functions
• Illustrating Go functions
• The defer keyword
• Using pointer variables in functions
• Go data structures
• Arrays
• Slices
• Maps
• Converting an array into a map
• Structures
• Interfaces
• Creating random numbers
• Exercises
• Summary
• Advanced Go Features
• Error handling in Go
• Functions can return error variables
• About error logging
• The addCLA.go program revisited
• Pattern matching and regular expressions
• Printing all the values from a given column of a line
• Creating summaries
• Finding the number of occurrences
• Find and replace
• Reflection
• Calling C code from Go
• Unsafe code
• Comparing Go to other programming languages
• Analysing software
• Using the strace(1) command-line utility
• The DTrace utility
• Disabling System Integrity Protection on macOS
• Unreachable code
• Avoiding common Go mistakes
• Exercises
• Summary
• Go Packages Algorithms and Data Structures
• About algorithms
• The Big O notation
• Sorting algorithms
• The sort.Slice() function
• Linked lists in Go
• Trees in Go
• Developing a hash table in Go
• About Go packages
• Using standard Go packages
• Creating your own packages
• Private variables and functions
• The init() function
• Using your own Go packages
• Using external Go packages
• The go clean command
• Garbage collection
• Your environment
• Go gets updated frequently!
• Exercises
• Summary
• Files and Directories
• Useful Go packages
• Command-line arguments revisited!
• The flag package
• Dealing with directories
• About symbolic links
• Implementing the pwd(1) command
• Developing the which(1) utility in Go
• Printing the permission bits of a file or directory
• Dealing with files in Go
• Deleting a file
• Renaming and moving files
• Developing find(1) in Go
• Traversing a directory tree
• Visiting directories only!
• The first version of find(1)
• Adding some command-line options
• Excluding filenames from the find output
• Excluding a file extension from the find output
• Using regular expressions
• Creating a copy of a directory structure
• Exercises
• Summary
• File Input and Output
• About file input and output
• Byte slices
• About binary files
• Useful I/O packages in Go
• The io package
• The bufio package
• File I/O operations
• Writing to files using fmt.Fprintf()
• About io.Writer and io.Reader
• Finding out the third column of a line
• Copying files in Go
• There is more than one way to copy a file!
• Copying text files
• Using io.Copy
• Reading a file all at once!
• An even better file copy program
• Benchmarking file copying operations
• Developing wc(1) in Go
• Counting words
• The wc.go code!
• Comparing the performance of wc.go and wc(1)
• Reading a text file character by character
• Doing some file editing!
• Interprocess communication
• Sparse files in Go
• Reading and writing data records
• File locking in Go
• A simplified Go version of the dd utility
• Exercises
• Summary
• Working with System Files
• Which files are considered system files?
• Logging in Go
• Putting data at the end of a file
• Altering existing data
• About log files
• About logging
• Logging facilities
• Logging levels
• The syslog Go package
• Processing log files
• File permissions revisited
• Changing file permissions
• Finding other kinds of information about files
• More pattern matching examples
• A simple pattern matching example
• An advanced example of pattern matching
• Renaming multiple files using regular expressions
• Searching files revisited
• Finding the user ID of a user
• Finding all the groups a user belongs to
• Finding files that belong or do not belong to a given user
• Finding files based on their permissions
• Date and time operations
• Playing with dates and times
• Reformatting the times in a log file
• Rotating log files
• Creating good random passwords
• Another Go update
• Exercises
• Summary
• Processes and Signals
• About Unix processes and signals
• Process management
• About Unix signals
• Unix signals in Go
• The kill(1) command
• A simple signal handler in Go
• Handling three different signals!
• Catching every signal that can be handled
• Rotating log files revisited!
• Improving file copying
• Plotting data
• Unix pipes in Go
• Reading from standard input
• Sending data to standard output
• Implementing cat(1) in Go
• The plotIP.go utility revisited
• Unix sockets in Go
• RPC in Go
• Programming a Unix shell in Go
• Yet another minor Go update
• Exercises
• Summary
• Goroutines - Basic Features
• About goroutines
• Concurrency and parallelism
• The sync Go packages
• A simple example
• Creating multiple goroutines
• Waiting for goroutines to finish their jobs
• Creating a dynamic number of goroutines
• About channels
• Writing to a channel
• Reading from a channel
• Explaining h1s.go
• Pipelines
• A better version of wc.go
• Calculating totals
• Doing some benchmarking
• Exercises
• Summary
• Goroutines - Advanced Features
• The Go scheduler
• The sync Go package
• The select keyword
• Signal channels
• Buffered channels
• About timeouts
• An alternative way to implement timeouts
• Channels of channels
• Nil channels
• Shared memory
• Using sync.Mutex
• Using sync.RWMutex
• The dWC.go utility revisited
• Using a buffered channel
• Using shared memory
• More benchmarking
• Detecting race conditions
• About GOMAXPROCS
• Exercises
• Summary
• Writing Web Applications in Go
• What is a web application?
• About the net/http Go package
• Developing web clients
• Fetching a single URL
• Setting a timeout
• Developing better web clients
• A small web server
• The http.ServeMux type
• Using http.ServeMux
• The html/template package
• About JSON
• Saving JSON data
• Parsing JSON data
• Using Marshal() and Unmarshal()
• Using MongoDB
• Basic MongoDB administration
• Using the MongoDB Go driver
• Creating a Go application that displays MongoDB data
• Creating an application that displays MySQL data
• A handy command-line utility
• Exercises
• Summary
• Network Programming
• About network programming
• About TCP/IP
• About TCP
• The TCP handshake!
• About UDP and IP
• About Wireshark and tshark
• About the netcat utility
• The net Go standard package
• Unix sockets revisited
• A Unix socket server
• A Unix socket client
• Performing DNS lookups
• Using an IP address as input
• Using a host name as input
• Getting NS records for a domain
• Developing a simple TCP server
• Developing a simple TCP client
• Using other functions for the TCP server
• Using alternative functions for the TCP client
• Developing a simple UDP server
• Developing a simple UDP client
• A concurrent TCP server
• Remote procedure call (RPC)
• An RPC server
• An RPC client
• Exercises
• Summary 更新時(shí)間：2021-07-02 18:08:46